more implementation of runtime unlock

main.go

@@ -49,14 +49,17 @@ func main() {
 	log.SetOutput(logfileWriter)
 	log.Printf("SMT starting execution. Built on %s from sha1 %s\n", buildTime, sha1ver)
 
-	// Set secrets key from .env file
-	keyString = os.Getenv("SECRETS_KEY")
-
 	// Initiate connection to sqlite and make sure our schema is up to date
 	models.ConnectDatabase()
 
-	// let the models package know our secrets key
-	models.LoadSecretKey(keyString)
+	// Set secrets key from .env file
+	keyString = os.Getenv("SECRETS_KEY")
+
+	if keyString != "" {
+		// Key was defined in environment variable, let the models package know our secrets key
+		log.Println("Found secret key in environment variable")
+		models.ReceiveKey(keyString)
+	}
 
 	// Create context that listens for the interrupt signal from the OS.
 	ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)